Image 1 of 2 Image 2 of 2 ForgeFit® Stainless Tri-Clamp End Cap - 1.5inch $0.00 End cap for 1.5" tri-clamp fittings. Made from 304 stainless steel. Quantity: Add To Cart Added! End cap for 1.5" tri-clamp fittings. Made from 304 stainless steel.